The Limited Edition Black Marshall AS50D is a 50 watt, Feature packed Acoustic Guitar Amp. The Black Marshall AS50DB acoustic guitar amp is a 50 watt combo housing two eight inch custom-voiced speakers. These speakers feature a highly efficient piezo tweeter which allows for clear and detailed sound reproduction across the entire frequency range. It's part of the Marshall Acoustic range along with the Marshall AS100D acoustic guitar amplifier. This compact and portable amp combo features two channels, each of which has its own independent volume and tone controls. A variety of inputs give the Marshall AS50D amp the ability to handle all-corners: the high impedance input on Channel 1 is perfect for piezo or magnetic pickups , while Channel 2 boasts RCA phono input, plus a balanced XLR type input in addition to its jack input, making it the perfect host for voice, instrument or even backing track applications. The Marshall AS50 D guitar amplifier also has a built-in, adjustable Chorus which is assignable to either or both channels, plus Reverb and a Parallel Effects Loop that can be balanced between the two channels. Anti-feedback controls include a Phase switch and a frequency controllable is an internal Limiter which allows you to drive the maximum level from the 50 watt power stage, yet remain distortion free.